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| - | {{incomplete}} | + | [[Image:White-crested_Hornbill.jpg|thumb|550px|right|Photo by {{user|Tom+Tarrant|Tom Tarrant}}<br />Semuliki NP, [[Uganda]], December 2005 ]] |
| - | [[Image:White-crested_Hornbill.jpg|thumb|550px|right|Photo by Tom Tarrant <br />Location: Semuliki NP, [[Uganda]] ]] | + | |
| | '''Alternative name: Long-tailed Hornbill''' | | '''Alternative name: Long-tailed Hornbill''' |
| | ;[[:Category:Tropicranus|Tropicranus]] albocristatus | | ;[[:Category:Tropicranus|Tropicranus]] albocristatus |
| | '''Disambiguation''': for the White-crested Hornbill found in south-east Asia, ''Berenicornis comatus'', see [[White-crowned Hornbill]] | | '''Disambiguation''': for the White-crested Hornbill found in south-east Asia, ''Berenicornis comatus'', see [[White-crowned Hornbill]] |
| | ==Identification== | | ==Identification== |
| - | A black hornbill with a very long tail and a distinctive white crest. | + | 70cm. A black hornbill with a very long tail and a distinctive white crest |
| | + | * Very long, graduated tail with white tip |
| | + | * Bushy white crest |
| | + | * Nominate subspecie with white face, ''cassini'' with black face, ''macrourus'' with white face, throat and upper breast |
| | + | * Flesh-coloured throat skin |
| | + | * Blackish bill and casque, basal half of upper mandible yellow in nominate and ''macrourus'', black in ''cassini'' |
| | + | Females are smaller and have a shorter casque ridge. Juveniles have a smaller, greenish bill without casque. |
| | ==Distribution== | | ==Distribution== |
| - | Tropical [[Africa]] from [[Guinea]] in the west to [[Uganda]] in the east. | + | Tropical [[Africa]] from [[Guinea]] in the west to [[Uganda]] in the east. South to northern [[Angola]].<br /> |
| | + | Patchily distributed but locally common. |
| | ==Taxonomy== | | ==Taxonomy== |
| | + | Three subspecies recognized: |
| | + | * ''T. a. albocristatus'' from southern [[Sierra Leone]] to southern [[Guinea]], [[Liberia]] and in western [[Ivory Coast]] |
| | + | * ''T. a. macrourus'' from eastern [[Ivory Coast]] to [[Benin]] |
| | + | * ''T. a. cassini'' from [[Nigeria]] to western [[Uganda]] and south to northern [[Angola]] |
| | Some authorities<sup>[[#References|1]]</sup> place this species in the genus ''Tockus''. | | Some authorities<sup>[[#References|1]]</sup> place this species in the genus ''Tockus''. |
| | ==Habitat== | | ==Habitat== |
| - | Forest. | + | Primary forest with dense tangles. Also in tall gallery and secondary forest.<br /> |
| | + | Occurs up to 1500m. |
| | ==Behaviour== | | ==Behaviour== |
| | + | Feeds mainly on insects but takes also spiders, slugs, lizards, snakes, nestlings and shrews and also fruit which is taken from the ground.<br /> |
| | + | Often follows driver-ants, bird groups or monkeys to hawk for insects disturbed by them.<br /> |
| | + | Little known about breeding. The nest is placed in a natural cavity in a tree or palm stump. The female seals the entrance with its own droppings. Lays 2 eggs. |
| | ==References== | | ==References== |
| - | # Clements JF. 2007. ''The Clements Checklist of Birds of the World''. 6th ed., with updates to October 2008. Cornell University Press. ISBN 9780801445019 | + | #{{Ref-Clements6thAug11}}#{{Ref-HBWVol6}} |
| | + | {{Ref}} |
| | ==External Links== | | ==External Links== |
| | {{GSearch|Tropicranus+albocristatus}} | | {{GSearch|Tropicranus+albocristatus}} |
| | | | |
| | [[Category:Birds]] [[Category:Tropicranus]] | | [[Category:Birds]] [[Category:Tropicranus]] |
Current revision
Alternative name: Long-tailed Hornbill
- Tropicranus albocristatus
Disambiguation: for the White-crested Hornbill found in south-east Asia, Berenicornis comatus, see White-crowned Hornbill
[edit] Identification
70cm. A black hornbill with a very long tail and a distinctive white crest
- Very long, graduated tail with white tip
- Bushy white crest
- Nominate subspecie with white face, cassini with black face, macrourus with white face, throat and upper breast
- Flesh-coloured throat skin
- Blackish bill and casque, basal half of upper mandible yellow in nominate and macrourus, black in cassini
Females are smaller and have a shorter casque ridge. Juveniles have a smaller, greenish bill without casque.
[edit] Distribution
Tropical Africa from Guinea in the west to Uganda in the east. South to northern Angola.
Patchily distributed but locally common.
[edit] Taxonomy
Three subspecies recognized:
Some authorities1 place this species in the genus Tockus.
[edit] Habitat
Primary forest with dense tangles. Also in tall gallery and secondary forest.
Occurs up to 1500m.
[edit] Behaviour
Feeds mainly on insects but takes also spiders, slugs, lizards, snakes, nestlings and shrews and also fruit which is taken from the ground.
Often follows driver-ants, bird groups or monkeys to hawk for insects disturbed by them.
Little known about breeding. The nest is placed in a natural cavity in a tree or palm stump. The female seals the entrance with its own droppings. Lays 2 eggs.
[edit] References
- Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
- Del Hoyo, J, A Elliot, and J Sargatal, eds. 2001. Handbook of the Birds of the World. Volume 6: Mousebirds to Hornbills. Barcelona: Lynx Edicions. ISBN 978-8487334306
[edit] External Links
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